Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 058vSequence: 3Full text: Petrus autem servabatur in carcere et oratio fiebat pro eo sine intermissione ab ecclesia ad deumFeast: Petri, PauliOffice: MGenre: APosition: 3.1Cantus ID: 004286